Drinking cup



FIG. 1 is a perspective view of a drinking cup in accordance with my design;

FIG. 2 is a side elevational view of the drinking cup of FIG. 1, with the opposite side elevational view being a mirror image thereof;

FIG. 3 is an end elevational view of the drinking cup of FIG. 1;

FIG. 4 is an end elevational view opposite to that of FIG. 3;

FIG. 5 is a top plan view of the drinking cup of FIG. 1; and,

FIG. 6 is a bottom plan view of the drinking cup of FIG. 1. 

The ornamental design for a drinking cup, as shown and described. 